20128490060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{47093}}^1$

素因数の和:47223

約数の個数: 96

約数和(自身を含む): 50129114112

約数和(自身を除く): 30000624052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 71, 86, 140, 142, 172, 215, 284, 301, 355, 430, 497, 602, 710, 860, 994, 1204, 1420, 1505, 1988, 2485, 3010, 3053, 4970, 6020, 6106, 9940, 12212, 15265, 21371, 30530, 42742, 47093, 61060, 85484, 94186, 106855, 188372, 213710, 235465, 329651, 427420, 470930, 659302, 941860, 1318604, 1648255, 2024999, 3296510, 3343603, 4049998, 6593020, 6687206, 8099996, 10124995, 13374412, 14174993, 16718015, 20249990, 23405221, 28349986, 33436030, 40499980, 46810442, 56699972, 66872060, 70874965, 93620884, 117026105, 141749930, 143774929, 234052210, 283499860, 287549858, 468104420, 575099716, 718874645, 1006424503, 1437749290, 2012849006, 2875498580, 4025698012, 5032122515, 10064245030, 20128490060]

約数ペア:

[(1, 20128490060), (2, 10064245030), (4, 5032122515), (5, 4025698012), (7, 2875498580), (10, 2012849006), (14, 1437749290), (20, 1006424503), (28, 718874645), (35, 575099716), (43, 468104420), (70, 287549858), (71, 283499860), (86, 234052210), (140, 143774929), (142, 141749930), (172, 117026105), (215, 93620884), (284, 70874965), (301, 66872060), (355, 56699972), (430, 46810442), (497, 40499980), (602, 33436030), (710, 28349986), (860, 23405221), (994, 20249990), (1204, 16718015), (1420, 14174993), (1505, 13374412), (1988, 10124995), (2485, 8099996), (3010, 6687206), (3053, 6593020), (4970, 4049998), (6020, 3343603), (6106, 3296510), (9940, 2024999), (12212, 1648255), (15265, 1318604), (21371, 941860), (30530, 659302), (42742, 470930), (47093, 427420), (61060, 329651), (85484, 235465), (94186, 213710), (106855, 188372)]